Short Code is a 5 digit number provided by Versatile SMShub on which users can send BULK SMS. The main idea for shortcodes is that they can be easily remembered and hence, get more responses than by sharing a normal contact number, and it's easy to interact with a company.
The relevant of long code bulk SMS is similar to a shortcode. It is a virtual phone number that the client can use as a method by which a customer can interact with a company to share their opinion.
Keywords play a major role for Shortcode and long code both since it gives an option to interact with the company. The Keyword is nothing but a unique word or a phrase which can be used by a customer to share their opinion with the help of Short Code or Long Code.